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M-7-2-1 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
Brother · ORING SEAL
PRODUCT OVERVIEW

M-7-2-1: PIN,STRAIGHT,HEADLESS.

Brother M721 Black On Metallic Green P-touch Label Maker Tape, 3/8 In. X 26.2 Ft. This non-laminated tape comes with standard strength adhesive and is recommended for home and indoor use only.

Best suited for flat dry surfaces. Perfect for school projects, file folders, and other basic labeling needs. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-191-8138, 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
M-7-2-1
NSN: 5330-00-191-8138
NIINs: 001918138, 012418805, 014601756
FSC: 5330 — Packing and Gasket Materials
CAGE: 07819 — BOCK ENGINEERED PRODUCTS INC (USA)
SPECIFICATIONS
pin_overall_length2.000 INCHES NOMINAL IN
pin_overall_diameter0.8750 INCHES NOMINAL IN
NSN5330-00-191-8138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M-7-2-1 MFR: Brother ⚠ 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
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
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 M-7-2-1?
M-7-2-1 is a PIN,STRAIGHT,HEADLESS manufactured by Brother.
What is the NSN for M-7-2-1?
M-7-2-1 is cataloged in the U.S. Government catalog under NSN 5330-00-191-8138. 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.