PartsTable TECHNICAL DATA SHEET

NSN 5310-01-666-0261Government record, cited

Nut, Plain, Spline5310-01-666-0261

NSN 5310-01-666-0261 · NIIN 016660261 · Part number JSFN06-22

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

Government record, cited

NSN 5310-01-666-0261 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-666-0261. Manufacturer of record part number: JSFN06-22.

Also searched as 5310-01-666-0261 · 5310016660261 · NIIN 016660261 · 01-666-0261 · FSC 5310 Nuts and Washers · CAGE 56878 · JSFN06-22 · JSFN06

Nearby stock numbers ← 5310-01-666-0260 Nut, Self-Locking, Barrel · 5310-01-666-0263 Nut, Plain, Plate →

5310-01-666-0261 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-666-0261
NIIN: 016660261
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: JSFN06-22
Manufacturer: Sps Technologies, Llc Dba PB Fasteners

General Description

The Nut,plain,spline, cataloged under National Stock Number 5310-01-666-0261, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Nut,plain,spline
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258)

Technical Specifications

Parameter	Value
NSN	5310-01-666-0261
Primary Part Number	JSFN06-22
Item Name	Nut,plain,spline
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
JSFN06-22 PRIMARY	Sps Technologies, Llc Dba PB Fasteners (USA)
JSFN06-22 PRIMARY	Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA)

Reference documents

Reference	Meaning
JSFN06	D/9 Drawing number reference only U.S. Government activity
JSFN06-22	1/2 Source control — Government-approved source U.S. Government activity

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-666-0261?

NSN 5310-01-666-0261 is a Nut,plain,spline, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-666-0261?

NSN 5310-01-666-0261 has 2 manufacturer part numbers on file: JSFN06-22 (Sps Technologies, Llc Dba PB Fasteners), JSFN06-22 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).

Is NSN 5310-01-666-0261 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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