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2493748 — SHIELD,ACCUMULATOR GUIDE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2493748: SHIELD,ACCUMULATOR GUIDE.

The SHIELD,ACCUMULATOR GUIDE is a the manufacturer industrial component. Key specifications include end_item_identification: CH-53E AIRCRAFT, general_characteristics_item_description: ALUMINUM AMS4070,ANODIZE,3.400 IN. MIN,3.430 IN.

MAX O/A LG,1.750 IN. DIA ONE END IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-012-5193, 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
2493748
NSN: 5305-00-012-5193
NIINs: 000125193, 011392271
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
end_item_identificationCH-53E AIRCRAFT
general_characteristics_item_descriptionALUMINUM AMS4070,ANODIZE,3.400 IN. MIN,3.430 IN. MAX O/A LG,1.750 IN. DIA ONE END IN
NSN5305-00-012-5193
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2493748 · 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
•
FASTENER LENGTH: 0.117 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.073 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: CONE
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.117 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.073 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLECONE
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 1
693SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2493748?
2493748 is a SHIELD,ACCUMULATOR GUIDE.
What parts can replace 2493748?
There is 1 known substitute for 2493748: 693S. Substitute compatibility should be verified for your specific system.
What is the NSN for 2493748?
2493748 is cataloged in the U.S. Government catalog under NSN 5305-00-012-5193. 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.