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NSN 5305-01-666-0018Government record, cited
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Screw, Close Tolerance5305-01-666-0018

NSN 5305-01-666-0018 · NIIN 016660018 · Part number JSFB26-7-23
Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 16258
Government record, cited
NSN 5305-01-666-0018 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-666-0018. Manufacturer of record part number: JSFB26-7-23.
Also searched as  5305-01-666-0018 · 5305016660018 · NIIN 016660018 · 01-666-0018 · FSC 5305 Screws · CAGE 16258 · JSFB26-7-23 · JSFB26
Nearby stock numbers  ·
BOLT/SCREW PROFILE
5305-01-666-0018 — Screws
Features
  • Screw,close Tolerance — FSC 5305
  • 1 manufacturer part number on file
  • Manufacturer of record: Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
Identification
  • NSN: 5305-01-666-0018
  • NIIN: 016660018
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: JSFB26-7-23
  • Manufacturer: Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-01-666-0018, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 NameScrew,close Tolerance
FSC / FSG5305 — Screws (FSG 53)
ManufacturersSpace-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258)
Technical Specifications
ParameterValue
NSN5305-01-666-0018
Primary Part NumberJSFB26-7-23
Item NameScrew,close Tolerance
FSC / FSG5305 / 53 — Screws
ManufacturerSpace-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-666-0019JSFB26-7-31 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5305-01-666-0020JSFB26-8-23 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
5305-01-666-0021JSFB26-8-27 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
5305-01-666-0038JSFB26-4-23 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5305-01-666-0040JSFB26-5-13 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5305-01-666-0044JSFB26-6-26 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5305-01-680-9810JSFB26-7-33 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok
5305-01-680-9817JSFB26-7-34 POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
Possible match (shared part number)Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
JSFB26-7-23 PRIMARY Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA)
Reference documents
ReferenceMeaning
JSFB26-7-23 1/2 Source control — Government-approved source
U.S. Government activity
JSFB26-7-23 3/2 Design control — primary reference
U.S. Government activity
JSFB26 D/9 Drawing number reference only
U.S. Government activity
Related Parts
5305-01-666-0019POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-7-31
5305-01-666-0020POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-8-23
5305-01-666-0021POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-8-27
5305-01-666-0038POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-4-23
5305-01-666-0040POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-5-13
5305-01-666-0044POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-6-26
5305-01-680-9810POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-7-33
5305-01-680-9817POSSIBLE MATCH
SCREW,CLOSE TOLERANCE
JSFB26-7-34

Frequently Asked Questions

What is NSN 5305-01-666-0018?

NSN 5305-01-666-0018 is a Screw,close Tolerance, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-666-0018?

NSN 5305-01-666-0018 has 1 manufacturer part number on file: JSFB26-7-23 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).

What NSN replaces 5305-01-666-0018?

8 possible matches (shared part number, not a government interchangeability claim): 5305-01-666-0019, 5305-01-666-0020, 5305-01-666-0021. Verify interchangeability with system specifications before substitution.

Is NSN 5305-01-666-0018 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.

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