Washer, Convex5310-01-666-0309

NSN 5310-01-666-0309 · NIIN 016660309 · Part number JSFW19P08A

Sps Technologies, Llc Dba PB Fasteners · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 56878

Government record, cited

NSN 5310-01-666-0309 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-666-0309. Manufacturer of record part number: JSFW19P08A.

Also searched as 5310-01-666-0309 · 5310016660309 · NIIN 016660309 · 01-666-0309 · FSC 5310 Nuts and Washers · CAGE 56878 · JSFW19P08A · JSFW19

Nearby stock numbers ← 5310-01-666-0302 Washer Blank · 5310-01-666-0311 Washer, Flat →

5310-01-666-0309 — Nuts and Washers

Features

Washer,convex — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Sps Technologies, Llc Dba PB Fasteners

Identification

NSN: 5310-01-666-0309
NIIN: 016660309
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: JSFW19P08A
Manufacturer: Sps Technologies, Llc Dba PB Fasteners

General Description

The Washer,convex, cataloged under National Stock Number 5310-01-666-0309, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,convex
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Monadnock Company, the Dba Lisi Aerospace (CAGE 60119)

Technical Specifications

Parameter	Value
NSN	5310-01-666-0309
Primary Part Number	JSFW19P08A
Item Name	Washer,convex
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Sps Technologies, Llc Dba PB Fasteners
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
JSFW19P08A PRIMARY	Sps Technologies, Llc Dba PB Fasteners (USA)
JSFW19P08A PRIMARY	Monadnock Company, the Dba Lisi Aerospace (USA)

Reference documents

Reference	Meaning
JSFW19P08A	1/2 Source control — Government-approved source U.S. Government activity
JSFW19	D/9 Drawing number reference only U.S. Government activity

Frequently Asked Questions

What is NSN 5310-01-666-0309?

NSN 5310-01-666-0309 is a Washer,convex, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-666-0309?

NSN 5310-01-666-0309 has 2 manufacturer part numbers on file: JSFW19P08A (Sps Technologies, Llc Dba PB Fasteners), JSFW19P08A (Monadnock Company, the Dba Lisi Aerospace).

Is NSN 5310-01-666-0309 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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