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79-028-125-1250 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

79-028-125-1250: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.125 INCHES NOMINAL IN, material: STEEL COMP 420 OVERALL, overall_length: 1.250 INCHES NOMINAL IN, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, material_thickness: 0.028 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-058-9756, 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
79-028-125-1250
NSN: 5315-00-058-9756
NIINs: 000589756, 002907693
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
materialSTEEL COMP 420 OVERALL
overall_length1.250 INCHES NOMINAL IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.028 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-058-9756
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 79-028-125-1250 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
OVERALL LENGTH1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
MATERIAL THICKNESS0.028 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
SHEAR STRENGTH2100 DOUBLE POUND
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
SSP125-1250Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL1976159 IT. 6 9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
589756Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS171536Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7915979-08Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NAS561C4-20Reference 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 79-028-125-1250?
79-028-125-1250 is a PIN,SPRING.
What parts can replace 79-028-125-1250?
There are 9 known substitutes for 79-028-125-1250: SSP125-1250, PL1976159 IT. 6 9, 589756 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 79-028-125-1250?
79-028-125-1250 is cataloged in the U.S. Government catalog under NSN 5315-00-058-9756. 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.