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661982 — BRACKET,ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

661982: BRACKET,ANGLE.

The BRACKET,ANGLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: HEXAGON, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.410 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-407-4081, 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
661982
NSN: 5340-00-407-4081
NIINs: 004074081, 014590178
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleHEXAGON
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.410 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.190 INCHES MINIMUM AND 2.310 INCHES MAXIMUM IN
shoulder_length0.750 INCHES NOMINAL FIRST SHOULDER IN
special_featuresSCREW TERMINATED AT 45 DEGREES
thread_directionRIGHT-HAND
shoulder_diameter0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
NSN5340-00-407-4081
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 661982 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
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
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FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
FIRST LEG HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
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FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
•
SECOND LEG WIDTH: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
SECOND LEG LENGTH: 1.946 INCHES MINIMUM AND 1.972 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
FIRST LEG HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.216 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
SECOND LEG WIDTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SECOND LEG LENGTH1.946 INCHES MINIMUM AND 1.972 INCHES MAXIMUM IN
FIRST LEG HOLE ARRANGEMENT STYLEONE HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM 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 661982?
661982 is a BRACKET,ANGLE.
What is the NSN for 661982?
661982 is cataloged in the U.S. Government catalog under NSN 5340-00-407-4081. 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.