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7147939 — RAIL,RIGHT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7147939: RAIL,RIGHT.

The RAIL,RIGHT is a the manufacturer industrial component. Key specifications include end_item_identification: HOWITZER,LIGHT TOWE, general_characteristics_item_description: STEEL,COMPOSITION 1045;57.375 IN.LG;2.625 IN. WD.

4.76 IN. H IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-080-8495, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
7147939
NSN: 5310-00-080-8495
NIINs: 000808495, 007147939
FSC: 5310 — Nuts and Washers
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
end_item_identificationHOWITZER,LIGHT TOWE
general_characteristics_item_descriptionSTEEL,COMPOSITION 1045;57.375 IN.LG;2.625 IN. WD. 4.76 IN. H IN
NSN5310-00-080-8495
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7147939 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY DIAMETER: 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HOLE CONFIGURATION STYLE: CONFIGURATION K
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 2 STYLE
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
OVERALL HEIGHT0.430 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HOLE CONFIGURATION STYLECONFIGURATION K
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 STYLE
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
FFN845Reference document
Same NSN cross-reference
Reference document — Identification reference
5310000808495Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS35425-39Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5118-73-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
PD147Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7147939?
7147939 is a RAIL,RIGHT.
What parts can replace 7147939?
There are 5 known substitutes for 7147939: FFN845, 5310000808495, MS35425-39 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7147939?
7147939 is cataloged in the U.S. Government catalog under NSN 5310-00-080-8495. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.