NSN 4240-01-691-9149 · NIIN 016919149 · Part number DDR337-L
Safe and Sound Pets · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 4S2L7
Government record, cited
NSN 4240-01-691-9149 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-691-9149. Manufacturer of record part number: DDR337-L.
Also searched as4240-01-691-9149 ·
4240016919149 ·
NIIN 016919149 ·
01-691-9149 ·
FSC 4240 Safety and Rescue Equipment · CAGE 4S2L7 · DDR337-L
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: DDR337-L
Manufacturer: Safe and Sound Pets
General Description
The Protector,hearing, cataloged under National Stock Number 4240-01-691-9149, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Safe and Sound Pets. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-691-9149
Primary Part Number
DDR337-L
Item Name
Protector,hearing
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Safe and Sound Pets
Status
ACTIVE
Unpackaged Unit Weight
5.6 OUNCES OZ
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-691-9149?
NSN 4240-01-691-9149 is a Protector,hearing, manufactured by Safe and Sound Pets, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-691-9149?
NSN 4240-01-691-9149 has 3 manufacturer part numbers on file: DDR337-L (K9 Pro the Kp Professionals), DDR337-L (Safe and Sound Pets), DDR337-L (Waggle Canine Adventure Gear Pty Ltd).
What are the specifications of DDR337-L?
Key specifications for DDR337-L: Unpackaged Unit Weight: 5.6 OUNCES OZ; Special Features: SIZE: LARGE; COLOR: BLACK; INNER SHELL WIDTH: 3.25 INCHES; INNER SHELL HEIGHT: 3.25 INCHES; STRAPS: NYLON IN; Part Name Assigned by Controlling Agency: MUTT MUFFS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4240-01-691-9149 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.