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128AVM10055-73 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

128AVM10055-73: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 3.250 INCHES NOMINAL IN, special_features: COUNTERSINK 120.0 DEG BY 0.112 IN. DIA ALL HOLES IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.250 INCHES NOMINAL IN, cross-sectional_shape: SQUARE.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-269-9336, 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
128AVM10055-73
NSN: 5340-01-269-9336
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length3.250 INCHES NOMINAL IN
special_featuresCOUNTERSINK 120.0 DEG BY 0.112 IN. DIA ALL HOLES IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeSQUARE
hole_quantity_perpendicular_to_axis5
NSN5340-01-269-9336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 128AVM10055-73 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 3.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
CROSS-SECTIONAL SHAPE: SQUARE
•
HOLE QUANTITY PERPENDICULAR TO AXIS: 5
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH3.250 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
CROSS-SECTIONAL SHAPESQUARE
SPECIAL FEATURESCOUNTERSINK 120.0 DEG BY 0.112 IN. DIA ALL HOLES IN
HOLE QUANTITY PERPENDICULAR TO AXIS5
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128AVM10055-73?
128AVM10055-73 is a STANDOFF,THREADED,SPACING.
What is the NSN for 128AVM10055-73?
128AVM10055-73 is cataloged in the U.S. Government catalog under NSN 5340-01-269-9336. 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.