NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-388-4955
Spring Tension Washer P/N 8KP447
In stock — 103 on our U.S. shelfNSN 5310-01-388-4955 5310013884955 NIIN 013884955
SECO Parts has 103 in stock of NSN 5310-01-388-4955 — Spring Tension 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,SPRING TENSION
- SECO description
- WASHER, SPRING
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 103 |
| Total | 103 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-01-388-4955 013884955 8KP447 D63474/1-16
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
- 10.5–10.9 mm
- Outside diameter
- 17.45–18.55 mm
- Overall height
- 2.0–4.0 mm
- Material thickness
- 0.74–0.86 mm
- Hardness rating
- Rockwell Superficial 15-N Minimum 82.0 and Rockwell Superficial 15-N Maximum 85.5
- Material
- Overall Steel Comp 1050 or Steel Comp 1055 or Steel Comp 1060 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1070 or Steel Comp 1074 or Steel Comp 1080 or Steel Comp 1085 or Steel Comp 1086 or Steel Comp 1095
- Material document and classification
- Overall Assn STD All Material Responses Ast- A682
- Surface treatment
- Overall Cadmium and Chromate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 2 or MIL Spec Single Treatment Response -IL-C-81562,TY 2,CL 2
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
8KP447 D63474/1-16
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 | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 103 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 5310-01-388-4955?
NSN 5310-01-388-4955 (5310013884955) — Spring Tension Washer: SECO Parts has 103 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for spring tension washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-01-388-4955 available?
SECO Parts has 103 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-388-4955 cost?
NSN 5310-01-388-4955 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 5310-01-388-4955?
Part numbers that cross-reference this NSN include 8KP447, D63474/1-16. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,SPRING TENSION. Same name is not the same part: check the part numbers.