PartsTable TECHNICAL DATA SHEET
NSN 5305-01-435-2109Government record, cited

Screw, Externally Relieved Body5305-01-435-2109

NSN 5305-01-435-2109 · NIIN 014352109 · Part number LP51957-31
Long-Lok, Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 03038
Government record, cited
NSN 5305-01-435-2109 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-435-2109. Manufacturer of record part number: LP51957-31.
Also searched as  5305-01-435-2109 · 5305014352109 · NIIN 014352109 · 01-435-2109 · FSC 5305 Screws · CAGE 03038 · LP51957-31 · GS553AB31
Nearby stock numbers  ·
Features
  • Screw,externally Relieved Body — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 32
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 2 manufacturer part numbers on file
Identification
  • NSN: 5305-01-435-2109
  • NIIN: 014352109
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: LP51957-31
  • Manufacturer: Long-Lok, Llc
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-435-2109, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-435-2109
Primary Part NumberLP51957-31
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — Screws
ManufacturerLong-Lok, Llc
StatusACTIVE
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch32
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
GS553AB31 Northrop Grumman Systems Corporation (USA)
LP51957-31 PRIMARY Long-Lok, Llc (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-435-2109?

NSN 5305-01-435-2109 is a Screw,externally Relieved Body, manufactured by Long-Lok, Llc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-435-2109?

NSN 5305-01-435-2109 has 2 manufacturer part numbers on file: GS553AB31 (Northrop Grumman Systems Corporation), LP51957-31 (Long-Lok, Llc).

What are the specifications of LP51957-31?

Key specifications for LP51957-31: Nominal Thread Diameter: 0.138 INCHES IN; Thread Direction: RIGHT-HAND; Thread Class: 2A A; Thread Quantity Per Inch: 32. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-435-2109 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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