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Technical Data Sheet
PartsTable / COMPONENT / NSA55131-106
NSA55131-106 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.254 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: SLOTTED, eyelet_length: 0.328 INCHES NOMINAL IN, stud_head_height: 0.074 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-599-7820, 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
NSA55131-106
NSN: 5325-00-599-7820
FSC: 5325
CAGE: F6198 — AIRBUS OPERATIONS (FRA)
SPECIFICATIONS
diameter0.254 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeSLOTTED
eyelet_length0.328 INCHES NOMINAL IN
stud_head_height0.074 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeWASHER
eyelet_outside_diameter0.247 INCHES NOMINAL IN
material_accommodated_thickness0.180 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
distance_from_engaging_member_to_largest_bearing_surface_of_head0.616 INCHES NOMINAL IN
NSN5325-00-599-7820
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NSA55131-106 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
EYELET OUTSIDE DIAMETER: 0.247 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.074 INCHES NOMINAL IN
•
DRIVE TYPE: SLOTTED
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.616 INCHES NOMINAL IN
•
EYELET LENGTH: 0.328 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.180 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
DIAMETER: 0.254 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EYELET OUTSIDE DIAMETER0.247 INCHES NOMINAL IN
STUD HEAD HEIGHT0.074 INCHES NOMINAL IN
DRIVE TYPESLOTTED
STUD ASSEMBLY STYLESTUD ASSEMBLY
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.616 INCHES NOMINAL IN
EYELET LENGTH0.328 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.180 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
DIAMETER0.254 INCHES NOMINAL IN
SECURING DEVICE TYPEWASHER
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
SX110-83Interchangeable
interchangeable cross-reference
interchangeable
1127-0006Interchangeable
interchangeable cross-reference
interchangeable
1127-0006-P5Interchangeable
interchangeable cross-reference
interchangeable
2320-0063Interchangeable
interchangeable cross-reference
interchangeable
MS28774-006-13Interchangeable
interchangeable cross-reference
interchangeable
S11248-006-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NSA55131-106?
NSA55131-106 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace NSA55131-106?
There are 26 known substitutes for NSA55131-106: SX110-83, 1127-0006, 1127-0006-P5 and 23 more. Substitute compatibility should be verified for your specific system.
Is NSA55131-106 still available?
NSA55131-106 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