PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

656-4Stud,plain

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5307-00-298-7701 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-298-7701 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-298-7701. Primary manufacturer part number: 656-4.
Features
  • Stud,plain — FSC 5307
  • Thread Length: 0.625 INCHES MINIMUM NUT THREAD IN
  • Thread Quantity Per Inch: 18 STUD THREAD
  • Thread Series Designator: UNS STUD THREAD
  • Surface Treatment: CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL
  • Material: STEEL COMP 8735
  • Thread Quantity Per Inch: 24 NUT THREAD
  • Thread Series Designator: UNF NUT THREAD
Applications
  • Applications requiring Steel Comp 8735 construction
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-298-7701, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-298-7701
Primary Part Number656-4
Item NameStud,plain
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Length0.625 INCHES MINIMUM NUT THREAD IN
Thread Quantity Per Inch18 STUD THREAD
Thread Series DesignatorUNS STUD THREAD
Surface TreatmentCADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL
MaterialSTEEL COMP 8735
Thread Quantity Per Inch24 NUT THREAD
Thread Series DesignatorUNF NUT THREAD
Thread Class3A NUT THREAD A
Thread Length0.875 INCHES MINIMUM STUD THREAD IN
Thread DirectionRIGHT-HAND NUT THREAD
Thread Pitch Diameters+0.2883 TO 0.2909 INCHES STUD THREAD IN
Nominal Thread Size0.312 INCHES STUD THREAD IN
Material Document and ClassificationAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Size0.312 INCHES NUT THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-027-8475656-4 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5960-00-060-6628 INTERCHANGEABLE
Electron Tube
5330-00-285-6385125-28 INTERCHANGEABLE
Seal,plain Encased
Dresser Industries Inc Leroi Div
5950-00-689-350252671914-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
5305-00-794-6008CL24SHS INTERCHANGEABLE
Thumbscrew
Carr Lane Manufacturing Co
6130-01-081-634824-452BN INTERCHANGEABLE
Charger,battery
Itw Gse Inc.
5330-01-567-37136564 INTERCHANGEABLE
Seal,nonmetallic Round Section
Clean-Seal Inc Dba Clean Seal Inc
Cross-Reference Index
Part NumberManufacturer
656P4 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
656P4 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
656-4 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4720-00-027-8475INTERCHANGEABLE
TUBING,NONMETALLIC
656-4
5960-00-060-6628INTERCHANGEABLE
ELECTRON TUBE
5330-00-285-6385INTERCHANGEABLE
SEAL,PLAIN ENCASED
125-28
5950-00-689-3502INTERCHANGEABLE
TRANSFORMER,POWER
52671914-1
5305-00-794-6008INTERCHANGEABLE
THUMBSCREW
CL24SHS
6130-01-081-6348INTERCHANGEABLE
CHARGER,BATTERY
24-452BN
5330-01-567-3713INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION
6564

Frequently Asked Questions

What is NSN 5307-00-298-7701?

NSN 5307-00-298-7701 is a Stud,plain, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-298-7701?

NSN 5307-00-298-7701 has 3 cross-referenced part numbers: 656P4 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 656P4 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 656-4 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5307-00-298-7701?

There are 7 known substitutes for 5307-00-298-7701: 4720-00-027-8475, 5960-00-060-6628, 5330-00-285-6385 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 656-4?

Key specifications for 656-4: Thread Length: 0.625 INCHES MINIMUM NUT THREAD IN; Thread Quantity Per Inch: 18 STUD THREAD; Thread Series Designator: UNS STUD THREAD; Surface Treatment: CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL. 17 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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