PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70A0708-1Screw,externally Relieved Body

Crane Electronics, Inc. · NSN 5305-00-630-3557 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-630-3557 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-630-3557. Primary manufacturer part number: 70A0708-1.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL COMP 410 OR STEEL COMP 416 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.125 INCHES NOMINAL IN
  • Thread Length: 0.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 or Steel Comp 416 Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-630-3557, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Electronics, Inc.. Government technical data includes 18 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-630-3557
Primary Part Number70A0708-1
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCrane Electronics, Inc.
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL COMP 410 OR STEEL COMP 416 OVERALL
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Distance From Largest Bearing Surface of Head to End of First Diameter0.125 INCHES NOMINAL IN
Thread Length0.125 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Externally Relieved Body Diameter Quantity1
Thread Class2A A
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Quantity Per Inch40
First Diameter From Head0.073 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
Head StylePAN
Fastener Length0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-054-6664 INTERCHANGEABLE
Screw,machine
5305-00-054-6673 INTERCHANGEABLE
Screw,machine
5305-00-162-3951 INTERCHANGEABLE
Screw,machine
5305-00-287-63981093446P28 INTERCHANGEABLE
Screw,cap,socket Head
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5305-01-081-9454229-008358 INTERCHANGEABLE
Screw,externally Relieved Body
Bae Systems (operations) Limited
5305-01-499-9305 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
70A0708-1 PRIMARY Crane Electronics, Inc. (USA)
MS51957 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-054-6664INTERCHANGEABLE
SCREW,MACHINE
5305-00-054-6673INTERCHANGEABLE
SCREW,MACHINE
5305-00-162-3951INTERCHANGEABLE
SCREW,MACHINE
5305-00-287-6398INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1093446P28
5305-01-081-9454INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
229-008358
5305-01-499-9305INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-630-3557?

NSN 5305-00-630-3557 is a Screw,externally Relieved Body, manufactured by Crane Electronics, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-630-3557?

NSN 5305-00-630-3557 has 2 cross-referenced part numbers: 70A0708-1 (Crane Electronics, Inc.), MS51957 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-630-3557?

There are 6 known substitutes for 5305-00-630-3557: 5305-00-054-6664, 5305-00-054-6673, 5305-00-162-3951 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70A0708-1?

Key specifications for 70A0708-1: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL COMP 410 OR STEEL COMP 416 OVERALL; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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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