Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Screw Surface Treatment: CADMIUM AND CHROMATE
Fastener Length: 2.266 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN
Screw Material Document and Classification: AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
Thread Length: 0.407 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Nominal Thread Diameter: 0.164 INCHES IN
Identification
NSN: 5305-01-268-9485
NIIN: 012689485
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,machine, cataloged under National Stock Number 5305-01-268-9485, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-268-9485
Item Name
Screw,machine
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Head Height
0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Screw Surface Treatment
CADMIUM AND CHROMATE
Fastener Length
2.266 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN
Screw Material Document and Classification
AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
Thread Length
0.407 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
Hardness Rating
26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Nominal Thread Diameter
0.164 INCHES IN
Head Style
PAN
Thread Direction
RIGHT-HAND
Screw Material
STEEL COMP 4037 OR STEEL COMP 8630
Minimum Tensile Strength
125000 POUNDS PER SQUARE INCH LBS
Internal Drive Style
CROSS RECESS TYPE 1
Thread Class
3A A
Thread Quantity Per Inch
32
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Head Diameter
0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Screw Surface Treatment Document and Classification
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-501-6182MS27039-8-13POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-571-7192MS27039C0830POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-670-9935NASM27039C0806POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-670-9946NASM27039C0807POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-670-9949NASM27039C1-07POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-671-1566MS27039C0825POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MS27039-0836
5/9Secondary reference
U.S. Government activity
NASM27039
3/2Design control — primary reference
U.S. Government activity
MS27039-0836
5/9Secondary reference
U.S. Government activity
Related Parts
5305-01-501-6182POSSIBLE MATCH
SCREW,MACHINE
MS27039-8-13
5305-01-571-7192POSSIBLE MATCH
SCREW,MACHINE
MS27039C0830
5305-01-670-9935POSSIBLE MATCH
SCREW,MACHINE
NASM27039C0806
5305-01-670-9946POSSIBLE MATCH
SCREW,MACHINE
NASM27039C0807
5305-01-670-9949POSSIBLE MATCH
SCREW,MACHINE
NASM27039C1-07
5305-01-671-1566POSSIBLE MATCH
SCREW,MACHINE
MS27039C0825
Frequently Asked Questions
What is NSN 5305-01-268-9485?
NSN 5305-01-268-9485 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
What NSN replaces 5305-01-268-9485?
6 possible matches (shared part number, not a government interchangeability claim): 5305-01-501-6182, 5305-01-571-7192, 5305-01-670-9935. Verify interchangeability with system specifications before substitution.
What are the specifications of 5305-01-268-9485?
Key specifications for 5305-01-268-9485: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 2.266 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE. 17 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-268-9485 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.