PartsTable TECHNICAL DATA SHEET

NSN 5306-01-665-9973Government record, cited

Bolt, Close Tolerance5306-01-665-9973

NSN 5306-01-665-9973 · NIIN 016659973 · Part number JSFB11-14-37

Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 16258

Government record, cited

NSN 5306-01-665-9973 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-665-9973. Manufacturer of record part number: JSFB11-14-37.

Also searched as 5306-01-665-9973 · 5306016659973 · NIIN 016659973 · 01-665-9973 · FSC 5306 Bolts · CAGE 16258 · JSFB11-14-37 · JSFB11

Nearby stock numbers ← 5306-01-665-9963 Bolt, Internal Wrenching · 5306-01-665-9976 Bolt, Close Tolerance →

5306-01-665-9973 — Bolts

Features

Bolt,close Tolerance — FSC 5306
5 manufacturer part numbers on file
Manufacturer of record: Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok

Identification

NSN: 5306-01-665-9973
NIIN: 016659973
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: JSFB11-14-37
Manufacturer: Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok

General Description

The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-665-9973, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Bolt,close Tolerance
FSC / FSG	5306 — Bolts (FSG 53)
Manufacturers	Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (CAGE 57928); M.s. Aerospace Inc. Dba Ms Aerospace Inc (CAGE 0UCY9); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878)

Technical Specifications

Parameter	Value
NSN	5306-01-665-9973
Primary Part Number	JSFB11-14-37
Item Name	Bolt,close Tolerance
FSC / FSG	5306 / 53 — Bolts
Manufacturer	Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
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

⇄ Related Items 8

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5306-01-665-9976JSFB11-12-37 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)M.s. Aerospace Inc. Dba Ms Aerospace Inc

5306-01-665-9977JSFB11-3-5 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok

5306-01-665-9978JSFB11-4-10 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)M.s. Aerospace Inc. Dba Ms Aerospace Inc

5306-01-665-9979JSFB11-5-19 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company

5306-01-665-9981JSFB11-6-12 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company

5306-01-665-9982JSFB11-6-26 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok

5306-01-665-9999JSFB11-22-59 POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company

5306-01-666-0003JSFB11-3-15D POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

Possible match (shared part number)Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries

Cross-Reference Index

Part Number	Manufacturer
JSFB11-14-37 PRIMARY	Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA)
JSFB11-14-37 PRIMARY	Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
JSFB11-14-37 PRIMARY	Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA)
JSFB11-14-37 PRIMARY	M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA)
JSFB11-14-37 PRIMARY	Sps Technologies, Llc Dba PB Fasteners (USA)

Reference documents

Reference	Meaning
JSFB11	D/9 Drawing number reference only U.S. Government activity
JSFB11-14-37	1/2 Source control — Government-approved source U.S. Government activity

Related Parts

5306-01-665-9976POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-12-37

5306-01-665-9977POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-3-5

5306-01-665-9978POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-4-10

5306-01-665-9979POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-5-19

5306-01-665-9981POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-6-12

5306-01-665-9982POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-6-26

5306-01-665-9999POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-22-59

5306-01-666-0003POSSIBLE MATCH

BOLT,CLOSE TOLERANCE

JSFB11-3-15D

Frequently Asked Questions

What is NSN 5306-01-665-9973?

NSN 5306-01-665-9973 is a Bolt,close Tolerance, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-01-665-9973?

NSN 5306-01-665-9973 has 5 manufacturer part numbers on file: JSFB11-14-37 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), JSFB11-14-37 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB11-14-37 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), JSFB11-14-37 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), JSFB11-14-37 (Sps Technologies, Llc Dba PB Fasteners).

What NSN replaces 5306-01-665-9973?

8 possible matches (shared part number, not a government interchangeability claim): 5306-01-665-9976, 5306-01-665-9977, 5306-01-665-9978. Verify interchangeability with system specifications before substitution.

Is NSN 5306-01-665-9973 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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