PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-1S6-4Screw,machine

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5305-00-208-7880 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-208-7880 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-208-7880. Primary manufacturer part number: 100-1S6-4.
Features
  • Screw,machine — FSC 5305
  • Head Style: ROUND
  • Thread Class: 2A A
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Screw Material Document and Classification: QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Screw Material: STEEL COMP 1010
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-208-7880, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-208-7880
Primary Part Number100-1S6-4
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Head StyleROUND
Thread Class2A A
Fastener Length0.250 INCHES NOMINAL IN
Screw Material Document and ClassificationQQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.138 INCHES IN
Screw MaterialSTEEL COMP 1010
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Surface TreatmentCADMIUM OR ZINC
Thread DirectionRIGHT-HAND
Head Height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Thread Length0.250 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Head Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-119-3539C10328A INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
9540-00-145-8143 INTERCHANGEABLE
Angle,structural
4730-00-175-9422 INTERCHANGEABLE
Elbow,pipe to Tube
5133-00-189-9291 INTERCHANGEABLE
Drill,twist
9540-00-517-1393 INTERCHANGEABLE
Angle,structural
4010-00-765-42481504-6 INTERCHANGEABLE
Chain Assembly,single Leg
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5365-01-270-8462150-46 INTERCHANGEABLE
Shim Set
Cone Drive Operations Inc
7530-01-298-7080 INTERCHANGEABLE
Folder,file
6150-01-561-167215046 INTERCHANGEABLE
Bus,conductor
Mason Electric Co. Dba Mason Controls
Cross-Reference Index
Part NumberManufacturer
0900546-3 Allis-Chalmers Corp (USA)
100-1S6-4 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
900546 Allis-Chalmers Corp (USA)
15046 L-M Associates Inc (USA)
0900546 Allis-Chalmers Corp (USA)
Related Parts
5930-00-119-3539INTERCHANGEABLE
SWITCH,ROTARY
C10328A
9540-00-145-8143INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-00-175-9422INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5133-00-189-9291INTERCHANGEABLE
DRILL,TWIST
9540-00-517-1393INTERCHANGEABLE
ANGLE,STRUCTURAL
4010-00-765-4248INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
1504-6
5365-01-270-8462INTERCHANGEABLE
SHIM SET
150-46
7530-01-298-7080INTERCHANGEABLE
FOLDER,FILE
6150-01-561-1672INTERCHANGEABLE
BUS,CONDUCTOR
15046

Frequently Asked Questions

What is NSN 5305-00-208-7880?

NSN 5305-00-208-7880 is a Screw,machine, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-208-7880?

NSN 5305-00-208-7880 has 5 cross-referenced part numbers: 0900546-3 (Allis-Chalmers Corp), 100-1S6-4 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 900546 (Allis-Chalmers Corp), 15046 (L-M Associates Inc), 0900546 (Allis-Chalmers Corp).

What NSN replaces 5305-00-208-7880?

There are 9 known substitutes for 5305-00-208-7880: 5930-00-119-3539, 9540-00-145-8143, 4730-00-175-9422 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-1S6-4?

Key specifications for 100-1S6-4: Head Style: ROUND; Thread Class: 2A A; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE. 14 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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