NSN Explorer

FSC 4730 × FLANGE,PIPE

FLANGE,PIPE

4730-01-155-3565

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

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

AMSC / AMC
Competition

What it is — can you make it?

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

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
GROOVE DEPTH ABGA INCHES MINIMUM 0.108 AND INCHES MAXIMUM 0.113
GROOVE WIDTH ABGF INCHES NOMINAL 0.188
BOLT CIRCLE DIAMETER ABKG INCHES NOMINAL 3.938
FLANGE DIAMETER ABKK INCHES NOMINAL 5.062
THICKNESS ABNM INCHES NOMINAL 0.781
SOCKET DEPTH ABXN INCHES NOMINAL 0.625
SOCKET DIAMETER ABXP INCHES MINIMUM 1.903 AND INCHES MAXIMUM 1.908
NOMINAL PIPE SIZE FOR WHICH DESIGNED ACSU INCHES 1.500
BOLT HOLE QUANTITY AECS 6
BOLT HOLE DIAMETER AHNX INCHES NOMINAL 0.562
RAISED FACE HEIGHT AJED INCHES MINIMUM 0.015 AND INCHES MAXIMUM 0.031
RAISED FACE DIAMETER AJEE INCHES NOMINAL 3.094
NECK HEIGHT AJEG INCHES NOMINAL 0.938
FLANGE SECTION STYLE AJEM
FACE SEATING SURFACE CONDITION AKWE GROUND
MATERIAL MATT COPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATION MDCL MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-15726
STYLE DESIGNATOR STYL

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
2621-228-01 96169 ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
2621-228-01PC55 96169 ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT

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
Last purchased
Purchase records
Total demand
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
SPE7M4-26-T-310P Aug 7, 2026 Aug 17, 2026 21 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 →