NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-975-2741
Concave Washer P/N NAS1288-6W
In stock — 3 on our U.S. shelfNSN 5310-00-975-2741 5310009752741 NIIN 009752741
SECO Parts has 3 in stock of NSN 5310-00-975-2741 — Concave Washer — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- WASHER,CONCAVE
- SECO description
- WASHER, CONCAVE
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 3 |
| Total | 3 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-975-2741 009752741 NAS1288-6W 4084-06
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Hole diameter
- 0.435–0.445 in
- Radius
- 0.385–0.415 in
- Outside diameter
- 0.640 in maximum
- Recess diameter
- 0.620 in maximum
- Material thickness
- 0.105–0.135 in
- Hardness rating
- Rockwell C Minimum 41.0 and Rockwell C Maximum 48.0
- Material
- Overall Steel
- Material document and classification
- Overall Assn STD Single Material Response A-S 6304
- Surface treatment
- Overall Nickel and Zinc
- Surface treatment document and classification
- Overall Assn STD 1ST Treatment Response A-S 2417 and Assn STD 2ND Treatment Response A-S 2417
- Specification/standard data
- Professional/industrial Association Standard 80205-NAS1288
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
NAS1288-6W 4084-06
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 3 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
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FAQ
What is NSN 5310-00-975-2741?
NSN 5310-00-975-2741 (5310009752741) — Concave Washer: SECO Parts has 3 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for concave washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-975-2741 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-975-2741 cost?
NSN 5310-00-975-2741 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What part numbers cross-reference to NSN 5310-00-975-2741?
Part numbers that cross-reference this NSN include NAS1288-6W, 4084-06. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,CONCAVE. Same name is not the same part: check the part numbers.