PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100340Screw,machine

Kearfott Corporation Div Guidance and Navigation Division · NSN 5305-00-638-9904 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-638-9904 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-638-9904. Primary manufacturer part number: 100340.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Fastener Length: 0.108 INCHES NOMINAL IN
  • Thread Class: 3A A
  • Thread Quantity Per Inch: 80
  • Head Diameter: 0.109 INCHES NOMINAL IN
  • Head Height: 0.017 INCHES NOMINAL IN
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-638-9904, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-638-9904
Primary Part Number100340
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusACTIVE
Internal Drive StyleSLOT
Fastener Length0.108 INCHES NOMINAL IN
Thread Class3A A
Thread Quantity Per Inch80
Head Diameter0.109 INCHES NOMINAL IN
Head Height0.017 INCHES NOMINAL IN
Thread Series DesignatorUNF
Screw MaterialCOPPER ALLOY 360
Thread DirectionRIGHT-HAND
Screw Material Document and ClassificationQQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE
Head StylePAN
Nominal Thread Diameter0.060 INCHES IN
Thread Length0.108 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-205-834130A11C0130X19 INTERCHANGEABLE
Washer,flat
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5905-00-693-5312780693 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5320-01-081-8544100340 INTERCHANGEABLE
Rivet,solid
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5305-01-266-8527 INTERCHANGEABLE
Screw,machine
5330-01-341-4063100-34-0 INTERCHANGEABLE
Seal,plain
Tr Engineering, Inc Div Tr Engineering Incorporated
3020-01-535-3699100340 INTERCHANGEABLE
Guard,mechanical Drive
North American Marine Jet, Inc
6515-01-599-4248100340 INTERCHANGEABLE
Nail,bone
Sign Fracture Care International Dba Sign
1010-01-715-0256100340 INTERCHANGEABLE
Tube,cannon
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
100340 Apollo Machine Shop (USA)
100340 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
5310-00-205-8341INTERCHANGEABLE
WASHER,FLAT
30A11C0130X19
5905-00-693-5312INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
780693
5320-01-081-8544INTERCHANGEABLE
RIVET,SOLID
100340
5305-01-266-8527INTERCHANGEABLE
SCREW,MACHINE
5330-01-341-4063INTERCHANGEABLE
SEAL,PLAIN
100-34-0
3020-01-535-3699INTERCHANGEABLE
GUARD,MECHANICAL DRIVE
100340
6515-01-599-4248INTERCHANGEABLE
NAIL,BONE
100340
1010-01-715-0256INTERCHANGEABLE
TUBE,CANNON
100340

Frequently Asked Questions

What is NSN 5305-00-638-9904?

NSN 5305-00-638-9904 is a Screw,machine, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-638-9904?

NSN 5305-00-638-9904 has 2 cross-referenced part numbers: 100340 (Apollo Machine Shop), 100340 (Kearfott Corporation Div Guidance and Navigation Division).

What NSN replaces 5305-00-638-9904?

There are 8 known substitutes for 5305-00-638-9904: 5310-00-205-8341, 5905-00-693-5312, 5320-01-081-8544 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100340?

Key specifications for 100340: Internal Drive Style: SLOT; Fastener Length: 0.108 INCHES NOMINAL IN; Thread Class: 3A A; Thread Quantity Per Inch: 80. 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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