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M1171-125118 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M1171-125118: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM, overall_height: 0.5 MILLIMETERS MINIMUM AND 0.7 MILLIMETERS MAXIMUM MM, hardness_rating: 200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL, outside_diameter: 5.1 MILLIMETERS MAXIMUM MM, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-645-0602, 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
M1171-125118
NSN: 5310-01-645-0602
FSC: 5310 — Nuts and Washers
CAGE: SF413 — SAAB DYNAMICS AB (SWE)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM
overall_height0.5 MILLIMETERS MINIMUM AND 0.7 MILLIMETERS MAXIMUM MM
hardness_rating200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL
outside_diameter5.1 MILLIMETERS MAXIMUM MM
style_designatorSPRING TENSION
surface_treatmentOIL AND OXIDE OVERALL
end_item_identification1015-01-314-1770, MAAWS, M3
NSN5310-01-645-0602
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M1171-125118 · 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: 200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 5.1 MILLIMETERS MAXIMUM MM
•
COLOR: BLACK SEALING ELEMENT
•
SURFACE TREATMENT: OIL AND OXIDE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5 MILLIMETERS MINIMUM AND 0.7 MILLIMETERS MAXIMUM MM
HARDNESS RATING200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER5.1 MILLIMETERS MAXIMUM MM
COLORBLACK SEALING ELEMENT
SPECIAL FEATURESSPRING WASHER SMS 84-2,6, M3, SURFACE FINISH-RA 3.2 MATERIAL-FEDER STEEL (FST) MATERIAL DOCUMENT AND CLASSIFICATION-SMS 84 -2.6-ST( DIN 127 - A8 - FST) NONDEFINITIVE SPEC/STD DATA -2 TYPE AND 10P STYLE AND 2 GRADE SURFACE TREATMENT BLACK OXIDIZED AND OILED
SURFACE TREATMENTOIL AND OXIDE OVERALL
END ITEM IDENTIFICATION1015-01-314-1770, MAAWS, M3
MATERIALSTEEL OVERALL
HOLE DIAMETER2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM
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 1
304060329Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1171-125118?
M1171-125118 is a WASHER,SPRING TENSION.
What parts can replace M1171-125118?
There is 1 known substitute for M1171-125118: 304060329. Substitute compatibility should be verified for your specific system.
What is the NSN for M1171-125118?
M1171-125118 is cataloged in the U.S. Government catalog under NSN 5310-01-645-0602. This indicates validated use in U.S. government and defense supply chains.
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