PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25356Screw,cap,hexagon Head

Lockheed Martin Corp · NSN 5305-01-486-8858 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-486-8858 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-486-8858. Primary manufacturer part number: 25356.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 32
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-486-8858, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-486-8858
Primary Part Number25356
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Thread Class2A A
Thread Quantity Per Inch32
Nominal Thread Diameter0.164 INCHES IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-700-686825082 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5330-01-023-933625356 INTERCHANGEABLE
Packing with Retainer
Williams International Co., L.l.c.
5930-01-295-215025356 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
25356 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5330-00-700-6868INTERCHANGEABLE
GASKET
25082
5330-01-023-9336INTERCHANGEABLE
PACKING WITH RETAINER
25356
5930-01-295-2150INTERCHANGEABLE
SWITCH,FLOW
25356

Frequently Asked Questions

What is NSN 5305-01-486-8858?

NSN 5305-01-486-8858 is a Screw,cap,hexagon Head, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-486-8858?

NSN 5305-01-486-8858 has 1 cross-referenced part number: 25356 (Lockheed Martin Corp).

What NSN replaces 5305-01-486-8858?

There are 3 known substitutes for 5305-01-486-8858: 5330-00-700-6868, 5330-01-023-9336, 5930-01-295-2150. Verify interchangeability with system specifications before substitution.

What are the specifications of 25356?

Key specifications for 25356: Thread Class: 2A A; Thread Quantity Per Inch: 32; Nominal Thread Diameter: 0.164 INCHES IN; Thread Direction: RIGHT-HAND. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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