NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-576-7612
Lock Washer P/N ASME-B18.21.1
In stock — 104 on our U.S. shelfNSN 5310-00-576-7612 5310005767612 NIIN 005767612
SECO Parts has 104 in stock of NSN 5310-00-576-7612 — Lock Washer — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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,LOCK
- SECO description
- WASHER
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 104 |
| Total | 104 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-576-7612 005767612 ASME-B18.21.1 B18.21.1 FF-W-84 CLAST2 B18.21.1 7/8 IN.
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
- 0.875 in (nominal)
- Nondefinitive spec/std data
- Class a and Style 2
- Material document and classification
- Overall Assn STD Single Material Response AS-E B18.21.1
- Material thickness
- 0.219 in (nominal)
- Outside diameter
- 1.464 in (nominal)
- Material
- Overall Steel Comp 1060
- Hardness rating
- Rockwell C Minimum 45.0 and Rockwell C Maximum 53.0
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
ASME-B18.21.1 B18.21.1 FF-W-84 CLAST2
Also referenced as
B18.21.1 7/8 IN.
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | GSA General Services Administration |
| 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 104 on the shelf |
| Unit of issue | HD hundred |
| 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 5310-00-576-7612?
NSN 5310-00-576-7612 (5310005767612) — Lock Washer: SECO Parts has 104 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for lock washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-576-7612 available?
SECO Parts has 104 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-576-7612 cost?
SECO quotes NSN 5310-00-576-7612 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-00-576-7612?
Part numbers that cross-reference this NSN include ASME-B18.21.1, B18.21.1, FF-W-84 CLAST2. It is also referenced by older, superseded or advisory numbers: B18.21.1 7/8 IN.. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,LOCK. Same name is not the same part: check the part numbers.