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AS3123-04 — PLUG,EXTERNALLY GROOVED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3123-04: PLUG,EXTERNALLY GROOVED.

The PLUG,EXTERNALLY GROOVED is a the manufacturer industrial component. Key specifications include end_item_identification: B-1B ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-178-0376, 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
AS3123-04
NSN: 5340-01-178-0376
FSC: 5340 — Hardware, Commercial
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
end_item_identificationB-1B ACFT
NSN5340-01-178-0376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3123-04 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY 2024 PER QQ-A-225/6,T4,ANODIZED PER MIL-A-8625,TYPE 2,DYED GREEN,0.1866 IN. MIN TO 0.1875 IN. MAX BODY OUTSIDE DIA,0.154 IN. MIN TO 0.166 IN. MAX OVERALL LG,0.1458 IN. MIN TO 0.1467 IN. MAX LARGE BORE DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY 2024 PER QQ-A-225/6,T4,ANODIZED PER MIL-A-8625,TYPE 2,DYED GREEN,0.1866 IN. MIN TO 0.1875 IN. MAX BODY OUTSIDE DIA,0.154 IN. MIN TO 0.166 IN. MAX OVERALL LG,0.1458 IN. MIN TO 0.1467 IN. MAX LARGE BORE DIA IN
END ITEM IDENTIFICATIONB-1B ACFT
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
J108P52AReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3123-04?
AS3123-04 is a PLUG,EXTERNALLY GROOVED.
What parts can replace AS3123-04?
There is 1 known substitute for AS3123-04: J108P52A. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3123-04?
AS3123-04 is cataloged in the U.S. Government catalog under NSN 5340-01-178-0376. 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.