PartsTable
Technical Data Sheet
Download PDF

B3881-1 — BRACKET,ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B3881-1: BRACKET,ANGLE.

The BRACKET,ANGLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 2.000 INCHES NOMINAL IN, first_leg_length: 0.375 INCHES NOMINAL IN, second_leg_style: CORNER RADIUS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-273-6897, 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
B3881-1
NSN: 5340-01-273-6897
FSC: 5340 — Hardware, Commercial
CAGE: 54184 — ARA, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width2.000 INCHES NOMINAL IN
first_leg_length0.375 INCHES NOMINAL IN
second_leg_styleCORNER RADIUS
second_leg_width1.400 INCHES NOMINAL IN
special_featuresCOLOR DULL BLACK NO. 37038 FED STD 595
style_designatorANGLE
second_leg_length1.200 INCHES NOMINAL IN
surface_treatmentLACQUER ACRYLIC
mounting_hole_typeCOUNTERBORED
NSN5340-01-273-6897
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B3881-1 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: 0.315 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-L-46159 MIL SPEC SINGLE TREATMENT RESPONSE
•
SECOND LEG WIDTH: 1.400 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 1.200 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: NO HOLE
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.315 INCHES NOMINAL IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-46159 MIL SPEC SINGLE TREATMENT RESPONSE
SECOND LEG WIDTH1.400 INCHES NOMINAL IN
SECOND LEG LENGTH1.200 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLENO HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.300 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
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: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy B3881-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is B3881-1?
B3881-1 is a BRACKET,ANGLE.
What is the NSN for B3881-1?
B3881-1 is cataloged in the U.S. Government catalog under NSN 5340-01-273-6897. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B3881-1