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.
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
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.
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 →