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12007611 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12007611: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 6150 OVERALL, hole_diameter: 1.750 INCHES MINIMUM AND 1.750 INCHES MINIMUM AND 1.755 INCHES MAXIMUM1.755 INCHES MAXIMUM IN, overall_height: 0.252 INCHES NOMINAL0.252 INCHES NOMINAL IN, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM48.0 ROCKWELL C MAXIMUM, outside_diameter: 2.675 INCHES MINIMUM AND 2.675 INCHES MINIMUM AND 2.680 INCHES MAXIMUM2.680 INCHES MAXIMUM IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-047-3331, 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
12007611
NSN: 5310-01-047-3331
FSC: 5310 — Nuts and Washers
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP 6150 OVERALL
hole_diameter1.750 INCHES MINIMUM AND 1.750 INCHES MINIMUM AND 1.755 INCHES MAXIMUM1.755 INCHES MAXIMUM IN
overall_height0.252 INCHES NOMINAL0.252 INCHES NOMINAL IN
hardness_rating44.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM48.0 ROCKWELL C MAXIMUM
outside_diameter2.675 INCHES MINIMUM AND 2.675 INCHES MINIMUM AND 2.680 INCHES MAXIMUM2.680 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.230 INCHES MINIMUM AND 0.230 INCHES MINIMUM AND 0.232 INCHES MAXIMUM0.232 INCHES MAXIMUM IN
material_document_and_classificationASTMA322 NATIONAL SPEC 1ST MATERIAL RESPONSE OR ASTMA331 NATIONAL SPEC 2ND MATERIAL RESPONSE OR ASTMA506 NATIONAL SPEC 3RD MATERIAL RESPONSE OR ASTMA507 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL
NSN5310-01-047-3331
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12007611 · 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
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM48.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA322 NATIONAL SPEC 1ST MATERIAL RESPONSE OR ASTMA331 NATIONAL SPEC 2ND MATERIAL RESPONSE OR ASTMA506 NATIONAL SPEC 3RD MATERIAL RESPONSE OR ASTMA507 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.675 INCHES MINIMUM AND 2.675 INCHES MINIMUM AND 2.680 INCHES MAXIMUM2.680 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.230 INCHES MINIMUM AND 0.230 INCHES MINIMUM AND 0.232 INCHES MAXIMUM0.232 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 6150 OVERALL
•
HOLE DIAMETER: 1.750 INCHES MINIMUM AND 1.750 INCHES MINIMUM AND 1.755 INCHES MAXIMUM1.755 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.252 INCHES NOMINAL0.252 INCHES NOMINAL IN
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM48.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA322 NATIONAL SPEC 1ST MATERIAL RESPONSE OR ASTMA331 NATIONAL SPEC 2ND MATERIAL RESPONSE OR ASTMA506 NATIONAL SPEC 3RD MATERIAL RESPONSE OR ASTMA507 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.675 INCHES MINIMUM AND 2.675 INCHES MINIMUM AND 2.680 INCHES MAXIMUM2.680 INCHES MAXIMUM IN
MATERIAL THICKNESS0.230 INCHES MINIMUM AND 0.230 INCHES MINIMUM AND 0.232 INCHES MAXIMUM0.232 INCHES MAXIMUM IN
MATERIALSTEEL COMP 6150 OVERALL
HOLE DIAMETER1.750 INCHES MINIMUM AND 1.750 INCHES MINIMUM AND 1.755 INCHES MAXIMUM1.755 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

No substitute or cross-reference records for this part.

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 12007611?
12007611 is a WASHER,SPRING TENSION.
What is the NSN for 12007611?
12007611 is cataloged in the U.S. Government catalog under NSN 5310-01-047-3331. 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.