NSN Explorer

FSC 5310 × WASHER,SHOULDERED AND RECESSED

WASHER,SHOULDERED AND RECESSED

5310-01-169-3188

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
HOLE DIAMETER AAUB INCHES MINIMUM 0.7023 AND INCHES MAXIMUM 0.7033
SHOULDER DIAMETER AAVH INCHES MINIMUM 1.0660 AND INCHES MAXIMUM 1.0665
OUTSIDE DIAMETER ABKV INCHES NOMINAL 1.188
RECESS DIAMETER ABMD INCHES NOMINAL 0.060
SHOULDER HEIGHT ABMG INCHES MINIMUM 0.195 AND INCHES MAXIMUM 0.200
MATERIAL THICKNESS ABPX INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.055
HARDNESS RATING CQFM ROCKWELL C MINIMUM 28.0 AND ROCKWELL C MAXIMUM 32.0
RECESS ANGLE CSTM DEGREES NOMINAL 90.0
SURFACE FINISH CSYM COUNTERBORE WALL MICROINCHES 63.0
SURFACE FINISH CSYM SHOULDER FACE MICROINCHES 63.0
MATERIAL MATT OVERALL STEEL COMP E4340
MATERIAL DOCUMENT AND CLASSIFICATION MDCL OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5000,COND E4
SURFACE TREATMENT SFTT OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2 QQ--416
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
70209-26007-131 78286 SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP

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
SPE4A6-26-T-19GE Aug 19, 2026 Aug 26, 2026 163 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 →