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4SE00749-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4SE00749-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1141 OVERALL, thickness: 0.1693 INCHES MINIMUM AND 0.1893 INCHES MAXIMUM IN, hole_diameter: 1.219 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN, heat_treatment: COLD DRAWN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, overall_diameter: 2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-212-6147, 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
4SE00749-1
NSN: 5310-01-212-6147
FSC: 5310 — Nuts and Washers
CAGE: 28638 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 1.3.1 BLDG 562-1 (USA)
SPECIFICATIONS
materialSTEEL COMP 1141 OVERALL
thickness0.1693 INCHES MINIMUM AND 0.1893 INCHES MAXIMUM IN
hole_diameter1.219 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN
heat_treatmentCOLD DRAWN
hardness_rating35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
overall_diameter2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-212-6147
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4SE00749-1 · 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: 2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN
•
HEAT TREATMENT: COLD DRAWN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1141 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN
HEAT TREATMENTCOLD DRAWN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1141 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.219 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN
THICKNESS0.1693 INCHES MINIMUM AND 0.1893 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 1
4SE00749Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 4SE00749-1?
4SE00749-1 is a WASHER,FLAT.
What parts can replace 4SE00749-1?
There is 1 known substitute for 4SE00749-1: 4SE00749. Substitute compatibility should be verified for your specific system.
What is the NSN for 4SE00749-1?
4SE00749-1 is cataloged in the U.S. Government catalog under NSN 5310-01-212-6147. This indicates validated use in U.S. government and defense supply chains.
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