PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99821Screw,machine

Bell and Howell Phillipsburg Co Corporate Offices · NSN 5305-00-038-2837 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-038-2837 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-038-2837. Primary manufacturer part number: 99821.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
  • Head Style: BINDING
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 0.312 INCHES NOMINAL IN
  • Screw Surface Treatment Document and Classification: MIL-P-12011 MIL SPEC SINGLE TREATMENT RESPONSE
  • Thread Quantity Per Inch: 48
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-038-2837, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bell and Howell Phillipsburg Co Corporate Offices. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-038-2837
Primary Part Number99821
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBell and Howell Phillipsburg Co Corporate Offices
StatusACTIVE
Head Height0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
Head StyleBINDING
Thread DirectionRIGHT-HAND
Fastener Length0.312 INCHES NOMINAL IN
Screw Surface Treatment Document and ClassificationMIL-P-12011 MIL SPEC SINGLE TREATMENT RESPONSE
Thread Quantity Per Inch48
Internal Drive StyleCROSS RECESS TYPE 1
Nominal Thread Diameter0.099 INCHES IN
Screw MaterialSTEEL COMP 303
Screw Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Head Diameter0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-056-39335120-00-056-3933 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
4320-00-795-988099821 INTERCHANGEABLE
Ring,retainer
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Cross-Reference Index
Part NumberManufacturer
99821 Bell and Howell Phillipsburg Co Corporate Offices (USA)
Related Parts
5120-00-056-3933INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-056-3933
4320-00-795-9880INTERCHANGEABLE
RING,RETAINER
99821

Frequently Asked Questions

What is NSN 5305-00-038-2837?

NSN 5305-00-038-2837 is a Screw,machine, manufactured by Bell and Howell Phillipsburg Co Corporate Offices, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-038-2837?

NSN 5305-00-038-2837 has 1 cross-referenced part number: 99821 (Bell and Howell Phillipsburg Co Corporate Offices).

What NSN replaces 5305-00-038-2837?

There are 2 known substitutes for 5305-00-038-2837: 5120-00-056-3933, 4320-00-795-9880. Verify interchangeability with system specifications before substitution.

What are the specifications of 99821?

Key specifications for 99821: Head Height: 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN; Head Style: BINDING; Thread Direction: RIGHT-HAND; Fastener Length: 0.312 INCHES NOMINAL IN. 15 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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