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Technical Data Sheet
PartsTable / MRO / 54-052
54-052 ✓ Verified by PartsTable
Exost · MRO · MRO_GENERAL
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

The TELETYPEWRITER SUBASSEMBLY is a Exost industrial component. Key specifications include special_features: KEYTOP 1; LEVER 1. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-483-6304, 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
MRO→ MRO_GENERAL→ 54-052
NSN: 5305-00-483-6304
FSC: 5305
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
special_featuresKEYTOP 1; LEVER 1
NSN5305-00-483-6304
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 54-052 · Exost ⚠ 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
•
POINT STYLE: BALL
•
MATERIAL: STEEL COMP 8740 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
INTERNAL DRIVE STYLE: SLOTSLOT
TECHNICAL CHARACTERISTICS (FLIS)
POINT STYLEBALL
MATERIALSTEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
SPECIAL FEATURESDRILLED HOLE 0.078 IN. DIA 0.281 IN. FROM POINT END IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESLOTSLOT
THREAD QUANTITY PER INCH2828
THREAD LENGTH0.282 INCHES MINIMUM0.282 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
54052Interchangeable
interchangeable cross-reference
interchangeable
54052AInterchangeable
interchangeable cross-reference
interchangeable
SM-B-186903GP9Interchangeable
interchangeable cross-reference
interchangeable
S-54052Interchangeable
interchangeable cross-reference
interchangeable
A-53640Interchangeable
interchangeable cross-reference
interchangeable
100888-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54-052?
54-052 is a TELETYPEWRITER SUBASSEMBLY manufactured by Exost. It is classified as a MRO (MRO_GENERAL).
What parts can replace 54-052?
There are 9 known substitutes for 54-052: 54052, 54052A, SM-B-186903GP9 and 6 more. Substitute compatibility should be verified for your specific system.
Is 54-052 still available?
54-052 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