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B554-314RAPCALL — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B554-314RAPCALL: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 7.771 INCHES MINIMUM AND 7.791 INCHES MAXIMUM IN, overall_height: 0.375 INCHES NOMINAL IN, outside_diameter: 8.521 INCHES MINIMUM AND 8.541 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.0250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-830-2619, 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
B554-314RAPCALL
NSN: 5310-00-830-2619
FSC: 5310 — Nuts and Washers
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter7.771 INCHES MINIMUM AND 7.791 INCHES MAXIMUM IN
overall_height0.375 INCHES NOMINAL IN
outside_diameter8.521 INCHES MINIMUM AND 8.541 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.0250 INCHES NOMINAL IN
material_document_and_classificationMIL-S-854 CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-830-2619
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B554-314RAPCALL · 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 DOCUMENT AND CLASSIFICATION: MIL-S-854 CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 8.521 INCHES MINIMUM AND 8.541 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.0250 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 7.771 INCHES MINIMUM AND 7.791 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-854 CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER8.521 INCHES MINIMUM AND 8.541 INCHES MAXIMUM IN
MATERIAL THICKNESS0.0250 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER7.771 INCHES MINIMUM AND 7.791 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
H554-1RBPC41Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 B554-314RAPCALL?
B554-314RAPCALL is a WASHER,SPRING TENSION.
What parts can replace B554-314RAPCALL?
There is 1 known substitute for B554-314RAPCALL: H554-1RBPC41. Substitute compatibility should be verified for your specific system.
What is the NSN for B554-314RAPCALL?
B554-314RAPCALL is cataloged in the U.S. Government catalog under NSN 5310-00-830-2619. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.