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Technical Data Sheet
PartsTable / COMPONENT / 373MS020P008
373MS020P008 ✓ 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: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, material: STEEL COMP 1009 EYELET, drive_type: SLOTTED, eyelet_length: 0.322 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-290-3969, 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
373MS020P008
NSN: 5325-00-290-3969
FSC: 5325
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
diameter0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
materialSTEEL COMP 1009 EYELET
drive_typeSLOTTED
eyelet_length0.322 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleFILLISTER
material_accommodated_thickness0.210 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-640 FED SPEC SINGLE MATERIAL RESPONSE EYELET
distance_from_engaging_member_to_largest_bearing_surface_of_head0.752 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
NSN5325-00-290-3969
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 373MS020P008 · 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
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
DIAMETER: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
DRIVE TYPE: SLOTTED
•
MATERIAL: STEEL COMP 1009 EYELET
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-640 FED SPEC SINGLE MATERIAL RESPONSE EYELET
•
MATERIAL ACCOMMODATED THICKNESS: 0.210 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STUD ASSEMBLY STYLESTUD ASSEMBLY
DIAMETER0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
DRIVE TYPESLOTTED
MATERIALSTEEL COMP 1009 EYELET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-640 FED SPEC SINGLE MATERIAL RESPONSE EYELET
MATERIALSTEEL COMP 4037 STUD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
MATERIAL ACCOMMODATED THICKNESS0.210 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE STUD
EYELET LENGTH0.322 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
5253-635Interchangeable
interchangeable cross-reference
interchangeable
276Interchangeable
interchangeable cross-reference
interchangeable
AS568B-008Interchangeable
interchangeable cross-reference
interchangeable
32-300Interchangeable
interchangeable cross-reference
interchangeable
LD3041Interchangeable
interchangeable cross-reference
interchangeable
7031680Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 373MS020P008?
373MS020P008 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 373MS020P008?
There are 24 known substitutes for 373MS020P008: 5253-635, 276, AS568B-008 and 21 more. Substitute compatibility should be verified for your specific system.
Is 373MS020P008 still available?
373MS020P008 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