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6100-9-ST-CD — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6100-9-ST-CD: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, hardness_rating: 47.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM, outside_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-265-8971, 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
6100-9-ST-CD
NSN: 5310-01-265-8971
FSC: 5310 — Nuts and Washers
CAGE: 97464 — TRUARC CO LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
hardness_rating47.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
outside_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-265-8971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6100-9-ST-CD · 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: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 1075 OVERALL
•
HOLE DIAMETER: 0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIAL THICKNESS0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 1075 OVERALL
HOLE DIAMETER0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 5
5105-9-S-MDReference document
Same NSN cross-reference
Reference document — Secondary reference
704AS9662-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
704AS8662-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
899662-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5105-9-ZDBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6100-9-ST-CD?
6100-9-ST-CD is a WASHER,KEY.
What parts can replace 6100-9-ST-CD?
There are 5 known substitutes for 6100-9-ST-CD: 5105-9-S-MD, 704AS9662-1, 704AS8662-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6100-9-ST-CD?
6100-9-ST-CD is cataloged in the U.S. Government catalog under NSN 5310-01-265-8971. 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.