Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

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FSC 5305 × SCREW,CLOSE TOLERANCE

SCREW,CLOSE TOLERANCE

5305-00-279-1855 FSC 5305

NSN 5305-00-279-1855 (also written 5305002791855; NIIN 00-279-1855) is a screw, close tolerance in Federal Supply Class 5305, Screws. 15 manufacturer part numbers from 14 suppliers are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE4A6-27-T-4257 28 Closes in 3d Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (AMC)
1
Suffix (AMSC)
C
Competition
Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean

What it is — can you make it?

Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.

Dimensioned drawing

Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.

UNITS: INCHES SIDE VIEW 0.449–0.489 LG ⌀0.25 0.497–0.507 5305-00-279-1855 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE SCREW,CLOSE TOLERANCE · OVERALL STEEL CORROSION RESISTING · THREAD 3A

Specifications

From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.

Requirement Value
HEAD STYLE AASK —
MATERIAL MATT OVERALL STEEL CORROSION RESISTING
SURFACE TREATMENT SFTT OVERALL PASSIVATE
THREAD SERIES DESIGNATOR THSD UNF
GRIP DIAMETER AAUR INCHES MINIMUM 0.2490 AND INCHES MAXIMUM 0.2495
THREAD DIRECTION AAJF RIGHT-HAND
THREAD LENGTH AASA INCHES MINIMUM 0.449 AND INCHES MAXIMUM 0.489
HEAD DIAMETER AASL INCHES MINIMUM 0.497 AND INCHES MAXIMUM 0.507
COUNTERSINK ANGLE CRSQ DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
INTERNAL DRIVE STYLE ABQZ —
THREAD QUANTITY PER INCH CMLP 28
GRIP LENGTH ANEE INCHES MINIMUM 1.365 AND INCHES MAXIMUM 1.385
NOMINAL THREAD DIAMETER AHYM INCHES 0.250
THREAD CLASS AAJD 3A
FASTENER LENGTH AASB INCHES MINIMUM 1.834 AND INCHES MAXIMUM 1.854

Manufacturer part numbers

Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.

Part number CAGE Manufacturer
11905-4L22 59563 REID PRODUCTS INC. DBA REID PRODUCTS INC
HT4025L4-22 06950 HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L4-22 17446 HUCK INTERNATIONAL, INC
HT4025L4-22 56878 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
HT4025L4-22 73197 HI-SHEAR CORPORATION
HT4025L4-22 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
HT4025L4-22 92215 HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
HT4025L4-22 97928 HUCK INTL INC
HT4025L4-22 C4293 FAIRCHILD FASTENERS EUROPE - VSD GMBH
HT4025L4-22 L4528 LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4025L4-22 R1120 SATAIR A/S
ST3M454-4L22 06950 HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-4L22 58998 FASTENER INNOVATION TECHNOLOGY, INC.
ST3M454-4L22 60516 WEST COAST AEROSPACE, INC.
ST3M454-4L22 76301 THE BOEING COMPANY DIV DEFENSE

What it pays — so you can quote

The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.

Latest unit price
—
Purchases
0
Total spend
—
Oct 15, 2026
Last purchased
1 · 1.0/yr
Purchase records
$13,187
Total demand
$13,187
Latest award total

Compare with other items

Purchase history

No priced purchases on record for this NSN yet.

Related contract actions

Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.

Action date Award # Recipient Agency Obligation
Oct 15, 2026 SPEWA627P0021 ↗ SPAIRES INC — $13,187

Demand history

Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.

Buying rhythm

How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.

  • Solicitation posted
  • Award made
Solicited 2 times since Sep 2026, typically every 4.0 weeks.Last solicitation 4 days ago.Jan 2026Apr 2026Jul 2026Oct 2026

Dot size shows quantity. A faint bar joins a solicitation to the award made against it.

Who wins this item

Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.

  • Award in the last 2 years
  • Older award
SPAIRES INC
last award Oct 2026
Not listed
FAIRCHILD FASTENERS EUROPE - VSD GMBH
no award yet
Listed source
FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
Listed source
HI-SHEAR CORPORATION
no award yet
Listed source
HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
Listed source
HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
Listed source
HUCK INTERNATIONAL, INC
no award yet
Listed source
HUCK INTL INC
no award yet
Listed source

SPAIRES INC won the only award on record. SPAIRES INC won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE4A6-27-T-4257 Oct 15, 2026 Oct 22, 2026 28 Open View at DIBBS →
SPE4A6-26-T-30SV Sep 17, 2026 Sep 29, 2026 7 Expired View at DIBBS →

Open RFQs on DIBBS → DIBBS award history ↗

About this data

  • Unit prices: DLA DIBBS award records — every row links to its government record.
  • AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-10-16.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "SCREW,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-00-279-1855/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5305-00-279-1855/