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Technical Data Sheet
PartsTable / COMPONENT / F49
F49 ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065 OR STEEL UNS K07001 OVERALL, hole_diameter: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 0.250 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-045-4007, 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
F49
NSN: 5310-00-045-4007
FSC: 5310
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
materialSTEEL COMP 1065 OR STEEL UNS K07001 OVERALL
hole_diameter0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter0.250 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL
material_thickness0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
spring_free_length3.000 INCHES NOMINAL IN
end_item_identificationMRAP - M-ATV WITH CS13 POP AND SNE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
spring_free_outside_diameter1.500 INCHES MAXIMUM IN
material_document_and_classificationASTM A229 ASSN STD 1ST MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5310-00-045-4007
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F49 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
END ITEM IDENTIFICATIONMRAP - M-ATV WITH CS13 POP AND SNE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.250 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
700-0308Interchangeable
interchangeable cross-reference
interchangeable
008010-1Interchangeable
interchangeable cross-reference
interchangeable
40704-1Interchangeable
interchangeable cross-reference
interchangeable
99018-11Interchangeable
interchangeable cross-reference
interchangeable
AP465Interchangeable
interchangeable cross-reference
interchangeable
83004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F49?
F49 is a SPRING,HELICAL,COMPRESSION.
What parts can replace F49?
There are 34 known substitutes for F49: 700-0308, 008010-1, 40704-1 and 31 more. Substitute compatibility should be verified for your specific system.
Is F49 still available?
F49 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026