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108997R1 — PIN,RETAINING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

108997R1: PIN,RETAINING.

The PIN,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OR STEEL COMP 1065 OVERALL, prong_length: 3.313 INCHES MINIMUM AND 3.437 INCHES MAXIMUM IN, opening_width: 0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN, hardness_rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL, style_designator: RETAINING, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-741-8971, 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
108997R1
NSN: 5315-00-741-8971
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OR STEEL COMP 1065 OVERALL
prong_length3.313 INCHES MINIMUM AND 3.437 INCHES MAXIMUM IN
opening_width0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designatorRETAINING
surface_treatmentPHOSPHATE OVERALL
wire_stock_diameter0.093 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-C-12968 TY B CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-741-8971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 108997R1 · 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
•
WIRE STOCK DIAMETER: 0.093 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-12968 TY B CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: RETAINING
•
OPENING WIDTH: 0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
PRONG LENGTH: 3.313 INCHES MINIMUM AND 3.437 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS
WIRE STOCK DIAMETER0.093 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-12968 TY B CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORRETAINING
OPENING WIDTH0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
PRONG LENGTH3.313 INCHES MINIMUM AND 3.437 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1070 OR STEEL COMP 1065 OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
5315007418971Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 108997R1?
108997R1 is a PIN,RETAINING.
What parts can replace 108997R1?
There is 1 known substitute for 108997R1: 5315007418971. Substitute compatibility should be verified for your specific system.
What is the NSN for 108997R1?
108997R1 is cataloged in the U.S. Government catalog under NSN 5315-00-741-8971. 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.