Acquisition method (AMC)
1
FSC 5310 × WASHER,SPLIT
WASHER,SPLIT
5310-01-178-5030 FSC 5310
NSN 5310-01-178-5030 (also written 5310011785030; NIIN 01-178-5030) is a washer, split in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
P
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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.
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 NOMINAL 0.156 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 0.312 |
| DISTANCE ACROSS SPLIT OPENING ABMF | INCHES MINIMUM 0.020 AND INCHES MAXIMUM 0.042 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.014 AND INCHES MAXIMUM 0.024 |
| MATERIAL MATT | OVERALL STEEL COMP 1095 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD 1ST MATERIAL RESPONSE AST-A682 OR ASSN STD 2ND MATERIAL RESPONSE AST-A681 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYEII,CLASS2 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 |
|---|---|---|
| 1127723 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE |
| 2600SW2 | 71286 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS |
| 3D0050-1 | 88277 | THE BOEING COMPANY |
| HS4432-1 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
| HS4432-1 | 10630 | ANILLO INDUSTRIES LLC |
| HS4432-1 | 71286 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS |
| HS4432-1 | 8V613 | THE BOEING COMPANY |
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
—
Aug 27, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,947
Total demand
$1,947
Latest award total
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 |
|---|---|---|---|---|
| Aug 27, 2026 | SPE4A626PY660 ↗ | BOEING DISTRIBUTION SERVICES X, INC. | — | $1,947 |
Demand history
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
BOEING DISTRIBUTION SERVICES X, INC.
last award Aug 2026
ANILLO INDUSTRIES LLC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS
no award yet
no awards on record
Listed source MCDONNELL DOUGLAS HELICOPTER CO INC
no award yet
no awards on record
Listed source MONADNOCK COMPANY, THE DBA LISI AEROSPACE
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source BOEING DISTRIBUTION SERVICES X, INC. won the only award on record. BOEING DISTRIBUTION SERVICES X, INC. won without being a listed source.
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 28, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPLIT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-178-5030/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-178-5030/