PartsTable
Technical Data Sheet
11142-251 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, hole_diameter: 0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN, overall_diameter: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-136-5715, 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
11142-251
NSN: 5310-00-136-5715
FSC: 5310
CAGE: 10138 — ASTRONAUTICS CORPORATION OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
hole_diameter0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
overall_diameter0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-136-5715
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11142-251 · 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
OVERALL DIAMETER: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 301 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
THICKNESS: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLE: ROUND
PERIPHERAL SHAPE STYLE: ROUND
HOLE DIAMETER: 0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
2CD871Interchangeable
interchangeable cross-reference
interchangeable
7950100161Interchangeable
interchangeable cross-reference
interchangeable
A20488Interchangeable
interchangeable cross-reference
interchangeable
4166-317Interchangeable
interchangeable cross-reference
interchangeable
17-1-5836-1Interchangeable
interchangeable cross-reference
interchangeable
17-1-5836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 11142-251?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 11142-251?
11142-251 is a WASHER,FLAT.
What parts can replace 11142-251?
There are 6 known substitutes for 11142-251: 2CD871, 7950100161, A20488 and 3 more. Substitute compatibility should be verified for your specific system.
Is 11142-251 still available?
11142-251 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 11142-251