PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1375Screw,cap,hexagon Head

Eaton Aerospace, Llc Dba Jackson South · NSN 5305-00-550-0863 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-550-0863 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-550-0863. Primary manufacturer part number: 1375.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 3135 OVERALL
  • Head Height: 0.562 INCHES NOMINAL IN
  • Material Document and Classification: ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3135 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-550-0863, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-550-0863
Primary Part Number1375
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Head StyleHEXAGON
Fastener Length2.500 INCHES NOMINAL IN
Hardness Rating32.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 3135 OVERALL
Head Height0.562 INCHES NOMINAL IN
Material Document and ClassificationASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length1.750 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Width Between Flats1.000 INCHES NOMINAL IN
Thread Class3A A
Thread Quantity Per Inch10
Nominal Thread Diameter0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-174-9126 INTERCHANGEABLE
Reducing Washer,knockout
2940-00-289-8348101606A INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
4320-00-398-57021375 INTERCHANGEABLE
Housing,impeller,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6510-00-559-6130 INTERCHANGEABLE
Pad,post Surgical Obstetrical
6210-00-773-5992 INTERCHANGEABLE
Light,indicator
5920-00-810-5604401594 INTERCHANGEABLE
Fuse Link,thermal
Eaton Aerospace, Llc Dba Jackson South
5975-00-810-6394 INTERCHANGEABLE
Box Connector,electrical
5975-00-839-6915SR15-1 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
5330-00-843-27201375 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5996-00-884-8552240-2470 INTERCHANGEABLE
Amplifier,electronic Control
Power Control Devices, Inc.
Cross-Reference Index
Part NumberManufacturer
1375 Eaton Aerospace, Llc Dba Jackson South (USA)
1375 Sargent-Welch Scientific Co (USA)
Related Parts
5975-00-174-9126INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
2940-00-289-8348INTERCHANGEABLE
FILTER ELEMENT,FLUID
101606A
4320-00-398-5702INTERCHANGEABLE
HOUSING,IMPELLER,PUMP
1375
6510-00-559-6130INTERCHANGEABLE
PAD,POST SURGICAL OBSTETRICAL
6210-00-773-5992INTERCHANGEABLE
LIGHT,INDICATOR
5920-00-810-5604INTERCHANGEABLE
FUSE LINK,THERMAL
401594
5975-00-810-6394INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5975-00-839-6915INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR15-1
5330-00-843-2720INTERCHANGEABLE
SEAL,PLAIN ENCASED
1375
5996-00-884-8552INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
240-2470
6650-01-072-4986INTERCHANGEABLE
EYEPIECE,MICROSCOPE
1375
5331-01-160-9514INTERCHANGEABLE
O-RING
1375-260A

Frequently Asked Questions

What is NSN 5305-00-550-0863?

NSN 5305-00-550-0863 is a Screw,cap,hexagon Head, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-550-0863?

NSN 5305-00-550-0863 has 2 cross-referenced part numbers: 1375 (Eaton Aerospace, Llc Dba Jackson South), 1375 (Sargent-Welch Scientific Co).

What NSN replaces 5305-00-550-0863?

There are 12 known substitutes for 5305-00-550-0863: 5975-00-174-9126, 2940-00-289-8348, 4320-00-398-5702 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1375?

Key specifications for 1375: Head Style: HEXAGON; Fastener Length: 2.500 INCHES NOMINAL IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL COMP 3135 OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-550-0863 still in active supply?

NSN 5305-00-550-0863 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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