FSC 5305 × SCREW,CLOSE TOLERANCE

SCREW,CLOSE TOLERANCE

5305-01-197-2549

Open for bid

No open solicitations on record for this NSN right now.

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Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC

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Competition

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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.

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
THREAD CLASS AAJD	3A
THREAD DIRECTION AAJF	RIGHT-HAND
THREAD LENGTH AASA	INCHES MINIMUM 0.476 AND INCHES MAXIMUM 0.526
FASTENER LENGTH AASB	INCHES MINIMUM 0.798 AND INCHES MAXIMUM 0.828
HEAD STYLE AASK	—
HEAD DIAMETER AASL	INCHES MINIMUM 0.4289 AND INCHES MAXIMUM 0.4787
GRIP DIAMETER AAUR	INCHES MINIMUM 0.3110 AND INCHES MAXIMUM 0.3120
INTERNAL DRIVE STYLE ABQZ	—
NOMINAL THREAD DIAMETER AHYM	INCHES 0.312
GRIP LENGTH ANEE	INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.322
THREAD QUANTITY PER INCH CMLP	24
MINIMUM TENSILE STRENGTH CQBC	POUNDS PER SQUARE INCH 160000
HARDNESS RATING CQFM	OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0
COUNTERSINK ANGLE CRSQ	DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
SURFACE FINISH CSYM	THREADS MICROINCHES 32.0
SURFACE FINISH CSYM	GRIP MICROINCHES 32.0
SPECIAL FEATURES FEAT	INTERNAL DRIVE RIBBED
MATERIAL MATT	OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049
SURFACE TREATMENT SFTT	OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC	OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 2 QQ--416
THREAD SERIES DESIGNATOR THSD	UNIFIED NATIONAL JOINT FINE (UNJF)
SPECIFICATION/STANDARD DATA ZZZK	PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1581 NAS1581

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
NAS1581A5R5	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1581F5R5	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

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

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Purchases

Total spend

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Last purchased

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Purchase records

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Total demand

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Latest award total

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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.

No related contract actions on record.

Demand history

Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.

Solicitation	Issued	Closes / closed	Qty	Status
SPE4A6-26-T-14CS	Aug 7, 2026	Aug 19, 2026	7,560	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.
Contract action totals: USAspending, context only.
Full methodology →