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149598-03 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

149598-03: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.049 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN, length: 4.929 INCHES MINIMUM AND 4.955 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 6061, corner_radius: 0.250 INCHES NOMINAL IN, surface_treatment: CHROMATE, securing_device_type: TURNLOCK FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-126-6777, 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
149598-03
NSN: 5340-01-126-6777
FSC: 5340 — Hardware, Commercial
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
width2.049 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN
length4.929 INCHES MINIMUM AND 4.955 INCHES MAXIMUM IN
materialALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 6061
corner_radius0.250 INCHES NOMINAL IN
surface_treatmentCHROMATE
securing_device_typeTURNLOCK FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identificationCOMPASS CONTROLLER,FSCM 35351,P/N159748-01-01,6615010177727
distance_between_holes_along_width1.811 INCHES MINIMUM AND 1.825 INCHES MAXIMUM IN
distance_between_holes_along_length4.720 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-250/11 FED SPEC 4TH MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-126-6777
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 149598-03 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.209 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
LENGTH: 4.929 INCHES MINIMUM AND 4.955 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 4.720 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.811 INCHES MINIMUM AND 1.825 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-250/11 FED SPEC 4TH MATERIAL RESPONSE
•
SECURING DEVICE TYPE: TURNLOCK FASTENER
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.209 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CORNER RADIUS0.250 INCHES NOMINAL IN
LENGTH4.929 INCHES MINIMUM AND 4.955 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH4.720 INCHES MINIMUM AND 4.740 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.811 INCHES MINIMUM AND 1.825 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-250/11 FED SPEC 4TH MATERIAL RESPONSE
SECURING DEVICE TYPETURNLOCK FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.209 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 149598-03?
149598-03 is a COVER,ACCESS.
What is the NSN for 149598-03?
149598-03 is cataloged in the U.S. Government catalog under NSN 5340-01-126-6777. 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.