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211051253 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211051253: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.120 INCHES NOMINAL IN, diameter: 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN, material: NICKEL ALLOY OVERALL, groove_width: 0.200 INCHES NOMINAL IN, thread_class: 2A RIGHT EXTERNAL A, hole_diameter: 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-396-8484, 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
211051253
NSN: 5340-01-396-8484
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length1.120 INCHES NOMINAL IN
diameter1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
materialNICKEL ALLOY OVERALL
groove_width0.200 INCHES NOMINAL IN
thread_class2A RIGHT EXTERNAL A
hole_diameter0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
thread_length0.880 INCHES NOMINAL RIGHT EXTERNAL IN
groove_diameter0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
nominal_thread_size0.750 INCHES RIGHT EXTERNAL IN
cross-sectional_shapeROUND
NSN5340-01-396-8484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211051253 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: 1.120 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.880 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FORM 2 COND AL, AH FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.750 INCHES RIGHT EXTERNAL IN
TECHNICAL CHARACTERISTICS
LENGTH1.120 INCHES NOMINAL IN
GROOVE DIAMETER0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
THREAD LENGTH0.880 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FORM 2 COND AL, AH FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
NOMINAL THREAD SIZE0.750 INCHES RIGHT EXTERNAL IN
CROSS-SECTIONAL SHAPEROUND
DISTANCE FROM END TO HOLE CENTER2.150 INCHES NOMINAL IN
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 211051253?
211051253 is a STANDOFF,THREADED,SPACING.
What is the NSN for 211051253?
211051253 is cataloged in the U.S. Government catalog under NSN 5340-01-396-8484. 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.