NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-272-9988
Recessed Washer P/N 2640-390X2 PIECE 7
In stock — 2 on our U.S. shelfNSN 5310-01-272-9988 5310012729988 NIIN 012729988
SECO Parts has 2 in stock of NSN 5310-01-272-9988 — Recessed Washer — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $1,118.58 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
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,RECESSED
- SECO description
- WASHER, RECESSED
- Federal supply class
- FSC 5310 — Nuts and Washers
Also known as:
5310-01-272-9988 012729988 2640-390X2 PIECE 7 845-2050957 PIECE 7 SS845-2050957 PIECE 7
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
- 2.625 in (nominal)
- Outside diameter
- 4.001–4.002 in
- Material thickness
- 0.719 in (nominal)
- Top recess diameter
- 2.823 in (nominal)
- Bottom recess angle
- 90.0 ° (nominal)
- Top recess angle
- 90.0 ° (nominal)
- Bottom recess diameter
- 2.823 in (nominal)
- Part name assigned by controlling agency
- Navy Special Project
- Material
- Overall Copper Alloy 606 or Copper Alloy 614 or Copper Alloy 630 or Copper Alloy 642
- Material document and classification
- Overall Fed Spec All Material Responses QQ-C-465
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
2640-390X2 PIECE 7 845-2050957 PIECE 7 SS845-2050957 PIECE 7
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 2 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.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5310-01-272-9988?
NSN 5310-01-272-9988 (5310012729988) — Recessed Washer: SECO Parts has 2 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for recessed washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-01-272-9988 available?
SECO Parts has 2 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-272-9988 cost?
The government catalog (FEDLOG) lists NSN 5310-01-272-9988 at $1,118.58 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 5310-01-272-9988?
Part numbers that cross-reference this NSN include 2640-390X2 PIECE 7, 845-2050957 PIECE 7, SS845-2050957 PIECE 7. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,RECESSED. Same name is not the same part: check the part numbers.