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12991298 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12991298: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.220 INCHES NOMINAL IN, length: 4.900 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, corner_cut_type: SQUARE, surface_treatment: PASSIVATE, bolt_circle_diameter: 0.175 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-549-1443, 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
12991298
NSN: 5340-01-549-1443
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width1.220 INCHES NOMINAL IN
length4.900 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
corner_cut_typeSQUARE
surface_treatmentPASSIVATE
bolt_circle_diameter0.175 INCHES NOMINAL IN
end_item_identification5855-01-538-6659; THERMAL IMAGING SYSTEM
part_name_assigned_by_controlling_agencyFINGER GUARD-BLOWER, TRU, BLOCK 1
NSN5340-01-549-1443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12991298 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 4.900 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 0.175 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
WIDTH: 1.220 INCHES NOMINAL IN
•
CORNER CUT TYPE: SQUARE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
LENGTH4.900 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER0.175 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
WIDTH1.220 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFINGER GUARD-BLOWER, TRU, BLOCK 1
END ITEM IDENTIFICATION5855-01-538-6659; THERMAL IMAGING SYSTEM
CORNER CUT TYPESQUARE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
5340015491443Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 12991298?
12991298 is a COVER,ACCESS.
What parts can replace 12991298?
There is 1 known substitute for 12991298: 5340015491443. Substitute compatibility should be verified for your specific system.
What is the NSN for 12991298?
12991298 is cataloged in the U.S. Government catalog under NSN 5340-01-549-1443. This indicates validated use in U.S. government and defense supply chains.
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