PartsTable
Technical Data Sheet
31S0940562 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,SPRING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 10.525 INCHES NOMINAL IN, center_hole_diameter: 9.920 INCHES MINIMUM AND 10.030 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-840-0907, 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
31S0940562
NSN: 5315-00-840-0907
FSC: 5315
CAGE: 28199 — L3 TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter10.525 INCHES NOMINAL IN
center_hole_diameter9.920 INCHES MINIMUM AND 10.030 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5315-00-840-0907
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31S0940562 · 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
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
DIAMETER: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 410 OR STEEL COMP 420 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATOR: SLOTTED
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
SHEAR STRENGTH: 1000 DOUBLE POUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
DIAMETER0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
OVERALL LENGTH0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORSLOTTED
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
SHEAR STRENGTH1000 DOUBLE POUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MIL-P-10971Interchangeable
interchangeable cross-reference
interchangeable
79-048-250-1875Interchangeable
interchangeable cross-reference
interchangeable
NAS561C8-30Interchangeable
interchangeable cross-reference
interchangeable
5315PL2028488Interchangeable
interchangeable cross-reference
interchangeable
MS171497Interchangeable
interchangeable cross-reference
interchangeable
PS094-0625CRSF020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31S0940562?
31S0940562 is a PIN,SPRING.
What parts can replace 31S0940562?
There are 28 known substitutes for 31S0940562: MIL-P-10971, 79-048-250-1875, NAS561C8-30 and 25 more. Substitute compatibility should be verified for your specific system.
Is 31S0940562 still available?
31S0940562 is currently cancelled.
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