PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-26915 ITEM 28Screw,cap,socket Head

Moog Inc. Dba Ampac-Isp Corp · NSN 5305-01-380-9178 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-380-9178 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-380-9178. Primary manufacturer part number: 70-26915 ITEM 28.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Head Diameter: 0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Quantity Per Inch: 20
  • Material Document and Classification: QQ-N-281 CLA FED SPEC 1ST MATERIAL RESPONSE OR ASTM A564 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Material: NICKEL ALLOY R-405 OR STEEL COMP 630 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy R-405 or Steel Comp 630 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-380-9178, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-380-9178
Primary Part Number70-26915 ITEM 28
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Fastener Length0.375 INCHES NOMINAL IN
Head Diameter0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Material Document and ClassificationQQ-N-281 CLA FED SPEC 1ST MATERIAL RESPONSE OR ASTM A564 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MaterialNICKEL ALLOY R-405 OR STEEL COMP 630 OVERALL
Locking FeaturePATCH OR STRIP OR PELLET LOCKING FEATURE
Thread Length0.313 INCHES NOMINAL IN
Thread Class2A A
Head Height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-505-02381747-0187 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
2910-00-537-5949205043H INTERCHANGEABLE
Float,carburetor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
70-26915 ITEM 28 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
31855 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
3455-00-505-0238INTERCHANGEABLE
CUTTER,MILLING,END
1747-0187
2910-00-537-5949INTERCHANGEABLE
FLOAT,CARBURETOR
205043H

Frequently Asked Questions

What is NSN 5305-01-380-9178?

NSN 5305-01-380-9178 is a Screw,cap,socket Head, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-380-9178?

NSN 5305-01-380-9178 has 2 cross-referenced part numbers: 70-26915 ITEM 28 (Moog Inc. Dba Ampac-Isp Corp), 31855 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 5305-01-380-9178?

There are 2 known substitutes for 5305-01-380-9178: 3455-00-505-0238, 2910-00-537-5949. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-26915 ITEM 28?

Key specifications for 70-26915 ITEM 28: Fastener Length: 0.375 INCHES NOMINAL IN; Head Diameter: 0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.250 INCHES IN. 13 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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